Search Results - "Lopes, Waslon Terllizzie A."

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  1. 1
    Performance analysis of hybrid MPAPM technique for deep‐space optical communications

    Performance analysis of hybrid MPAPM technique for deep‐space optical communications by Idris, Sadiq, Selmy, Hossam, Lopes, Waslon Terllizzie A.

    Published in IET communications (01-08-2021)
    “…A hybrid multiple pulse amplitude and position modulation (H‐MPAPM) scheme based on gradual multi‐pulse pulse‐position modulation (G‐MPPM) and multi‐level…”
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  2. 2
    Spatial Correlation for DoA Characterization Using Von Mises, Cosine, and Gaussian Distributions

    Spatial Correlation for DoA Characterization Using Von Mises, Cosine, and Gaussian Distributions by Queiroz, Wamberto J. L., Madeiro, Francisco, Lopes, Waslon Terllizzie A., Alencar, Marcelo Sampaio de

    “…This paper presents mathematical expressions for the spatial correlation between elements of linear and circular antenna arrays, considering cosine, Gaussian,…”
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  3. 3
    Closed-Form Expression for the Bit Error Probability of Rectangular QAM Subject to Rayleigh Fading

    Closed-Form Expression for the Bit Error Probability of Rectangular QAM Subject to Rayleigh Fading by Lopes, W.T.A., Madeiro, F., Alencar, M.S.

    “…In this paper a closed-form expression for the bit error probability (BEP) of M -ary pulse amplitude modulation (M-PAM) subject to Rayleigh fading is derived…”
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  4. 4
    Genetic algorithm optimization applied to the project of MIMO systems

    Genetic algorithm optimization applied to the project of MIMO systems by Leal, Israel A. C., Alencar, Marcelo S., Terllizzie A. Lopes, Waslon

    “…This paper presents a technique to increase the data throughput in Multiple Input Multiple Output (MIMO) systems. The technique uses a meta-heuristic to…”
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  5. 5
    Propagation Analysis for Wireless Sensor Networks Applied to Viticulture

    Propagation Analysis for Wireless Sensor Networks Applied to Viticulture by Assis, Mauro S., Lopes, Waslon Terllizzie A., Alencar, Marcelo Sampaio de, Correia, Felipe Pinheiro, Leal, Brauliro Gonçalves

    “…Wireless sensor networks have been proposed as a solution to obtain soil and environment information in large distributed areas. The main economic activity of…”
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  6. 6
    Impact of the Estimation Errors and Doppler Effect on the Modulation Diversity Technique

    Impact of the Estimation Errors and Doppler Effect on the Modulation Diversity Technique by Lopes, W.T.A., Madeiro, F., Galdino, J.F., Alencar, M.S.

    Published in IEEE Vehicular Technology Conference (01-09-2006)
    “…The performance of wireless communications systems can be significantly improved using the modulation diversity technique, which is basically based on the…”
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  7. 7
    The History of the Brazilian Telecommunications Society

    The History of the Brazilian Telecommunications Society by de Alencar, M.S., de Alencar, R.T., Lopes, W.T.A., Madeiro, F.

    “…The Brazilian Telecommunications Society (SBrT - Sociedade Brasileira de Telecomunicacoes) was founded in 1983 and it is the first sister-society of the IEEE…”
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